find those stories, plus all oui healthcare reporting this week on our health page. gwen ifill counts down to election day with some interesting campaign numbers, like how many people have already voted. that's gwen's take.nt find e latest satelinte imagege of hurricane sandy as it whirls up the east coast, plus a slide show of images from e storm so far. on tonight's "need to know", rick karr examines the controversy over new voting rules in the battleground state of florida. >> reporter: that's interstate four down there. the highway cuts the state of florida in half. to the north of it, a majority floridians vote republican. on the other side, tthe south of it, a majority vote democratic. so the balance of political power in florida is here in orlando and in the counties along i-4.e, you can think of them as being the swing counties in a swing state that could determine the outcome of the election. >> sreenivasan: you can see all of rick karr's story later tonight. oklook for "need to know" on yor pbs station. judy. >> woodruff: and that's the newshour for tonight